Refer to the Image Below

question 43

Multiple Choice

Refer to the image below. Which is the smallest (lowest) level of biological organization that is visible and easily distinguished?

• A) Community
• B) Organism
• C) Molecule
• D) Cell
• E) Population

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Definitions:

Retina

The light-sensitive layer of tissue at the back of the eyeball that receives images and sends signals to the brain for visual recognition.

Optic Chiasm

Point of crossing of the optic tracts.

Sclera

The white outer layer of the eyeball, providing protection and form to the eye.

Vitreous Humor

Transparent, jelly-like material that fills the space between the lens and the retina.